211120001011212 has 24 divisors (see below), whose sum is σ = 505927209631536. Its totient is φ = 68471351679168.

The previous prime is 211120001011141. The next prime is 211120001011217. The reversal of 211120001011212 is 212110100021112.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 211120001011191 and 211120001011200.

It is not an unprimeable number, because it can be changed into a prime (211120001011217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 237747748443 + ... + 237747749330.

It is an arithmetic number, because the mean of its divisors is an integer number (21080300401314).

Almost surely, 2^{211120001011212} is an apocalyptic number.

It is an amenable number.

211120001011212 is an abundant number, since it is smaller than the sum of its proper divisors (294807208620324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211120001011212 is a wasteful number, since it uses less digits than its factorization.

211120001011212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475495497817 (or 475495497815 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 211120001011212 its reverse (212110100021112), we get a palindrome (423230101032324).

The spelling of 211120001011212 in words is "two hundred eleven trillion, one hundred twenty billion, one million, eleven thousand, two hundred twelve".